<template>
  <div>
    <button @click="isShow = !isShow">显示/隐藏</button>
<!--    transition 标签加了name 后对应的 样式.v-enter-active 改为 .hello-enter-active
.v-leave-active 改为 .hello-leave-active 没有增加name 则是默认.v-enter-active .v-leave-active
:appear="true"
-->
    <transition name="hello" :appear="true">
      <h1 v-show="isShow">你好啊 </h1>
    </transition>

  </div>
</template>
<script>

export default {
  name: 'Test',
  data: function () {
    return {
      isShow: true
    }
  }

}

</script>

<style scoped>
h1 {
  background-color: orange;
}

.hello-enter-active {
  /*animation: atguigu 1s;*/
  animation: atguigu 0.5s linear;
}

.hello-leave-active {
  /*animation: atguigu 1s reverse;/**/
  animation: atguigu 0.5s linear reverse;
}

@keyframes atguigu {
  from {
    transform: translateX(-100%);
  }
  to {
    transform: translateX(0px);
  }

}

</style>